rain having a pH lower than 5.6 (the pH of natural rainwater), usually caused by sulfuric acid and/or nitric acid from air pollution.

Horizontal transport of temperature, pressure, moisture or some other atmospheric attribute solely by the wind.

an instrument that measures the altitude of something with respect to a set level.

a middle cloud type that is white and/or gray in color and occurs as a layer or patch with a waved aspect. Generally have shadowed parts.

a middle cloud type that appears as a gray or bluish sheet of stretched out, fibrous, or uniform appearance. Overcast clouds.

an instrument that measures wind speed.

appears as greenish-white and sometimes pink light in the night sky over the middle and high latitudes. Called the aurora borealis in the Northern Hemisphere and the aurora australis in the Southern H [..]

instrument that measures atmospheric pressure.

a subtropical anticyclone that occurs over the North Atlantic Ocean.

the zone between the earth and the atmosphere in which most life forms reside.